Peng Sun defeated Yuichi Sugita 6-3 7-6 in the CHN vs JPN round robin on hard. Peng Sun extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-30 | Japan F7 | R16 | hard | Yuichi Sugita | 6-2 6-1 |
| 2006-06-26 | Japan F8 | R16 | hard | Peng Sun | 6-2 7-5 |
Averages over each player's completed matches in the selected window (3 vs 199). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About